Deserialization of Untrusted Data in GitLab
cve-program · CVE-2026-87719
PublishedGitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could allow an authenticated user with Duo Chat access to obtain Advanced Search instance configurations and sensitive credentials using a specially crafted GraphQL subscription argument to bypass serialization and perform server object lookup.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-87719 · CVE overview and exploitation status
cve-program · CVE-2026-87719
Related changes
Linked by CVE identifierNo related changes are available here.